HDD
4*Hot-swap SAS3.0 3.5''/2.5''
Processor
Intel or AMD depends on motherboard
Motherboard
EEB(12*13)/CEB(12*10.5)/ATX(12*9.5)/Micro ATX
Backplane
12Gb/s SAS 3.0 backplane
PCI-E Slot
1xfull length PCI-E
Power
1U singel or redundant
System cooling
4x4028, max 6x4056